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The table below is from Sexually Transmitted Infections Surveillance, 2023.
2019-2023
| Ages | Cases | Rates per 100,000 Population | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | 2020 | 2021 | 2022 | 2023 | 2019 | 2020 | 2021 | 2022 | 2023 | |
| 15 | 20,352 | 17,168 | 15,886 | 17,347 | 18,325 | 994.8 | 818.5 | 746.7 | 809.3 | 839.9 |
| 16 | 40,135 | 33,901 | 32,012 | 32,809 | 34,956 | 1,973.0 | 1,600.8 | 1,520.1 | 1,554.1 | 1,604.8 |
| 17 | 65,210 | 55,136 | 53,315 | 52,059 | 52,924 | 3,212.5 | 2,640.1 | 2,516.6 | 2,486.8 | 2,465.8 |
| 18 | 102,336 | 87,113 | 84,428 | 82,503 | 79,745 | 4,911.9 | 4,149.5 | 4,021.3 | 3,909.1 | 3,745.9 |
| 19 | 116,097 | 101,306 | 98,665 | 95,201 | 90,643 | 5,487.5 | 4,749.6 | 4,720.2 | 4,543.9 | 4,228.6 |
| 20 | 111,609 | 99,860 | 98,541 | 94,027 | 85,931 | 5,349.0 | 4,728.3 | 4,631.5 | 4,314.5 | 4,045.0 |
| 21 | 103,394 | 93,215 | 95,075 | 91,942 | 84,600 | 4,944.2 | 4,441.8 | 4,466.6 | 3,966.2 | 3,998.6 |
| 22 | 86,633 | 78,669 | 80,655 | 80,128 | 75,262 | 4,118.6 | 3,767.3 | 3,846.4 | 3,516.1 | 3,490.6 |
| 23 | 73,497 | 66,368 | 68,341 | 68,113 | 65,304 | 3,467.0 | 3,160.2 | 3,262.2 | 3,115.3 | 3,024.3 |
| 24 | 63,434 | 56,037 | 58,090 | 58,004 | 55,924 | 2,927.2 | 2,640.1 | 2,762.6 | 2,709.1 | 2,627.0 |
| Total | 782,697 | 688,773 | 685,008 | 672,133 | 643,614 | 3,749.1 | 3,270.9 | 3,247.6 | 3,103.5 | 2,998.7 |
| NOTE: Cases and rates shown in this table include District of Columbia but exclude US territories. See Technical Notes for more information on chlamydia case reporting. This report includes data from years that coincide with the COVID-19 pandemic, which introduced uncertainty and difficulty in interpreting case data. See Impact of COVID-19 on STIs for more information. | ||||||||||